RockPaperSarcasm

A Big Fan of Lefties Acquire all enemy officers' left arms.

Things That Go Ka-Boom Learn how to craft Exploding Arrows

Big Brawler Get 10 consecutive zombie melee kills before Insta-Kill expires. (Map Pack 2 only)

dr0n3d Complete the "Arctic Recon" Special Ops mission in under 3:30.

The Collector Collect 15 Collectables.

High Roller Complete the "Iron Clad" Special Ops mission on Veteran difficulty.

Electric Whisper Learn how to craft Electric Arrows

The architect Finish Mission 5

Gone To Hell Finish the game on Hard Mode with any character

Maximize Your Health Max out the Health Bar with Dante

Bug Spray Earn the Distinguished Flying Service Cross

Raising the Bar 【RAID MODE】Be player level 30 when EXP is awarded.

Ultra, Man! If yer gonna fight, give it your all, pal. Performing 100 Ultra Combos oughta do it, eh?

First Circle Overseer 【RAID MODE】Clear all stages on Chasm with an S rank.

Heavy Medals Earn All Medals

A for effort Attain a Time Trial star rating of 35

Perk-a-Holic Have all four perks simultaneously active in a game of Nazi Zombies. (Map Pack 2 only)

Conflagration Finish Mission 6

God Among Men Kill 250 total enemies during Slo-Mo

It's just a scratch Complete THE TWO COLONELS Chapter without using any Medkits on Normal or higher difficulty.

Great Owl Find all the Night Hunters' secret stashes in the SAM'S STORY chapter.

Moneybags Have 15000 credits in the bank in Outbreak.

Great Success Gain S+ on all U.S.S. missions on Veteran or Professional difficulty

A Man of Principle Complete the SAM'S STORY chapter earning the Captain's full trust.

Perkaholics Anonymous! Survive until round 20 without buying a single Perk. (Map Pack 3 only)

Shadow Vigilante Master the Shadow Vigilante Dark Knight track

Field Modified, Kill Certified Upgrade every slot for a weapon

40 Knives! Kill 40 zombies with the bowie knife. (Map Pack 3 only)

Like looking through a wall Manage to disable three guards, or more, inside a clone's smoke bomb

Yo, Adrian! Find something worth punching!

Midland Traveler 【RAID MODE】Clear all stages on Trench.

Burgle Burgle Burgle Steal 10 kills from a teammate in Outbreak.

Third Eye Open 【RAID MODE】Obtain the three Rare Finders.

Renaissance Finish Mission 7

Frequent Flyer! Use the teleporter 8 times. (Map Pack 3 only)

Deer in the Headlights Stab five stunned enemies in a row in the "Light 'Em Up" Special Ops mission.

An Ocean of Power Used over 108 bars of Iddhi in battle.

That'll Leave a Mark 【RAID MODE】Inflict 100,000 points of damage to an enemy in one hit.

Knuckle Down Hang in the air for more than 4 seconds using the Dust Knuckles.

The Bigger They Are... Destroy a total of 100 Custom Cyborgs during story mode.

Campaign Kitty Obtain all 108 medals on the original Arkham City campaigns (as Catwoman)

Happy Trails Complete By the Trail of Our Dead

Hard Times To escape death is to beat the strongest of the strong. Finish Arcade Mode on Hardest, kid!

Soul Survivor Reach round 15 in Nazi Zombies without getting revived. (Map Pack 2 only)

Challenge X Complete 10 challenges

Reflect Lord Hit enemies with a reflected projectile 30 times.

Legends Are Made, Not Born 【RAID MODE】Obtain all super rare weapons.

I Heard THAT Collect all 12 Audio Logs

Iron Mode Complete the game in Iron Mode.

Stop breaking the game. Complete 10 secrets.